package com.wen.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.wen.common.constant.ProductConstant;
import com.wen.common.to.SkuReductionTo;
import com.wen.common.to.SpuBoundTo;
import com.wen.common.to.es.SkuEsModel;
import com.wen.common.utils.R;
import com.wen.gulimall.product.entity.*;
import com.wen.gulimall.product.feign.CouponFeignService;
import com.wen.gulimall.product.feign.SearchFeignService;
import com.wen.gulimall.product.feign.WareFeignService;
import com.wen.gulimall.product.service.*;
import com.wen.gulimall.product.vo.*;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.beans.Transient;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.wen.common.utils.PageUtils;
import com.wen.common.utils.Query;

import com.wen.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

@Slf4j
@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {
    @Autowired
    private SpuInfoDescService infoDescService;
    @Autowired
    private SpuImagesService imagesService;
    @Autowired
    private AttrService attrService;
    @Autowired
    private ProductAttrValueService attrValueService;
    @Autowired
    private SkuInfoService skuInfoService;
    @Autowired
    private SkuImagesService skuImagesService;
    @Autowired
    private SkuSaleAttrValueService skuSaleAttrValueService;
    @Autowired
    private CouponFeignService couponFeignService;
    @Autowired
    private BrandService brandService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private WareFeignService wareService;
    @Autowired
    private SearchFeignService searchFeignService;


    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo spuSaveVo) {
        //1.保存spu基本信息 pms_spu_info]
        SpuInfoEntity spuInfoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(spuSaveVo, spuInfoEntity);
        spuInfoEntity.setCreateTime(new Date());
        spuInfoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(spuInfoEntity);
        //2.保存Spu的描述图片  pms_spu_info_desc
        List<String> decript = spuSaveVo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(spuInfoEntity.getId());
        descEntity.setDecript(String.join(",", decript));
        infoDescService.saveSpuInfoDesc(descEntity);
        //3.保存spu的图片集 pms_spu_images
        List<String> images = spuSaveVo.getImages();
        imagesService.saveImages(spuInfoEntity.getId(), images);
        //4.保存spu的规格参数  pms_product_attr_value
        List<BaseAttrs> baseAttrs = spuSaveVo.getBaseAttrs();
        List<ProductAttrValueEntity> entityList = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity attrEntity = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(attrEntity.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(spuInfoEntity.getId());
            return valueEntity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(entityList);
        //5.保存spu的积分信息:gulimall_sms->sms_spu_bounds

        //TODO 5.保存当前spu对应的所有sku信息
        Bounds bounds = spuSaveVo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds, spuBoundTo);
        spuBoundTo.setSpuId(spuInfoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if (r.getCode() != 0) {
            log.error("远程保存spu优惠信息失败");
        }
        //5.1） sku基本信息 pms_sku_info
        List<Skus> skus = spuSaveVo.getSkus();
        if (skus != null && skus.size() > 0) {
            skus.forEach(item -> {
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item, skuInfoEntity);
                skuInfoEntity.setBrandId(spuInfoEntity.getBrandId());
                skuInfoEntity.setCatalogId(spuInfoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(spuInfoEntity.getId());
                String defaultImage = "";
                for (Images image : item.getImages()) {
                    if (image.getDefaultImg() == 1) {
                        defaultImage = image.getImgUrl();
                    }
                }
                skuInfoEntity.setSkuDefaultImg(defaultImage);
                skuInfoService.saveSkuInfo(skuInfoEntity);
                Long skuId = skuInfoEntity.getSkuId();
                //获取sku图片集合
                List<SkuImagesEntity> skuImagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity -> {
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //5.2） sku图片信息 pms_sku_images
                skuImagesService.saveBatch(skuImagesEntities);
                //5.3） sku销售属性信息 pms_sku_sale_attr_value
                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrs = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity valueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, valueEntity);
                    valueEntity.setSkuId(skuId);
                    return valueEntity;
                }).collect(Collectors.toList());
                //TODO 没有图片路径的无需保存
                skuSaleAttrValueService.saveBatch(skuSaleAttrs);
                // 5.4） sku的优惠、满减等信息 gulimall_sms->sms_sku_ladder\sms_sku_full_reduction\sms_member_price
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item, skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                log.info("item=>{}", item);
                log.info("skuReductionTo,{}", skuReductionTo);

                if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1) {
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if (r1.getCode() != 0) {
                        log.error("远程保存sku优惠信息失败");
                    }
                }
            });
        }


    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity spuInfoEntity) {
        this.baseMapper.insert(spuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCodition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        /**
         * status
         * 	0
         * key
         *
         * brandId
         * 	2
         * catelogId
         * 	225
         */
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            wrapper.and(w -> {
                w.eq("id", key).or().like("spu_name", key);
            });
        }
        String status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)) {
            wrapper.eq("publish_status", status);
        }
        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            wrapper.eq("brand_id", brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(brandId)) {
            wrapper.eq("catalog_id", catelogId);
        }
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {
        List<SkuEsModel> upProducts = new ArrayList<>();
        //组装需要的数据
        //1、查出当前spuid对应的所有sku信息品牌的名子
        List<SkuInfoEntity> skus = skuInfoService.getSkusBySpuId(spuId);
        //TODO 4、查询sku的所有可以被检索的规格属性
        List<ProductAttrValueEntity> attrlistforspu = attrValueService.baseAttrlistforspu(spuId);
        List<Long> attrIds = attrlistforspu.stream().map(attr -> {

            return attr.getAttrId();
        }).collect(Collectors.toList());
        List<Long> searchAttrIdS = attrService.selectSearchAttrs(attrIds);
        Set<Long> idSet = new HashSet<>(searchAttrIdS);

        List<SkuEsModel.Attrs> attrsList = attrlistforspu.stream().filter(item -> {
            return idSet.contains(item.getAttrId());
        }).map(item -> {
            SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item, attrs1);
            return attrs1;
        }).collect(Collectors.toList());
        //TODO 1、发送远程调用，库存系统查询是否有库存
        List<Long> skuIds = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
        Map<Long, Boolean> stockMap = null;
          try {
        R sKusHasStock = wareService.getSKusHasStock(skuIds);
        TypeReference<List<SkuHasStockVo>> listTypeReference = new TypeReference<List<SkuHasStockVo>>(){};
        stockMap = sKusHasStock.getData(listTypeReference).stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));

        } catch (Exception e) {
           log.error("库存服务查询异常:原因{}", e);
         }


        //2、封装每个sku的信息
        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> collect = skus.stream().map(sku -> {
            SkuEsModel esModel = new SkuEsModel();
            BeanUtils.copyProperties(sku, esModel);
            esModel.setSkuPrice(sku.getPrice());
            esModel.setSkuImg(sku.getSkuDefaultImg());
            //hasStock,hotScore
            //设置库存信息
            if (finalStockMap == null) {
                esModel.setHasStock(false);
            } else {
                esModel.setHasStock(finalStockMap.get(esModel.getSkuId()));
            }
            //TODO 2、热度评分 0
            esModel.setHotScore(0L);
            //TODO 3、查询和分类的名字信息
            BrandEntity brand = brandService.getById(esModel.getBrandId());
            esModel.setBrandName(brand.getName());
            esModel.setBrandImg(brand.getLogo());
            CategoryEntity categoryEntity = categoryService.getById(esModel.getCatalogId());
            esModel.setCatelogName(categoryEntity.getName());
            //设置检索属性
            esModel.setAttrs(attrsList);

            return esModel;
        }).collect(Collectors.toList());
        //TODO 5、将数据发送给es进行保存
        R r = searchFeignService.productStatusUp(collect);
        Integer code = r.getCode();
        if (code == 0) {
            //远程调用成功
            //TODO 6、修改当前spu的状态
            this.baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
        } else {
            //远程调用失败
        }


    }


}